Heavy-duty 5 Lb. rechargeable commercial fire extinguisher suitable for common industrial use: Office, hotels, and schools. Monoammonium phosphate dry chemical extinguishing agent is effective against wood, paper, and cloth fires plus grease, oil, gasoline, and electrical fires. Unit is rechargeable and has large easy-to-read pressure gauge. Metal head, metal valve, and metal gauge. Includes metal wall hanger for mounting. UL rated. Optional bracket available to meet USCG approval.